CN212785083U - Variable frequency direct current generator and controller thereof - Google Patents
Variable frequency direct current generator and controller thereof Download PDFInfo
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- CN212785083U CN212785083U CN202021832947.6U CN202021832947U CN212785083U CN 212785083 U CN212785083 U CN 212785083U CN 202021832947 U CN202021832947 U CN 202021832947U CN 212785083 U CN212785083 U CN 212785083U
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Abstract
The utility model discloses a frequency conversion DC generator and controller thereof, frequency conversion DC generator controller includes: the controller body is provided with an electronic component on the front surface; and the protective cover is used for covering the electronic component so as to isolate the electronic component from the outside and is fixedly connected with the controller body. Compared with the prior art, the frequency conversion direct current generator controller has the advantages that the protective cover is additionally arranged at the electronic component end of the controller body, the electronic components are isolated by the protective cover and prevented from being exposed, and therefore when the electronic components are burnt out, the phenomenon that the whole generator is burnt out due to sparking of the electronic components and the like can be avoided; meanwhile, the gasoline can be prevented from dripping on the surface of the electronic component to erode the electronic component when oil leaks from an oil tank, an oil pipe and the like. The variable-frequency direct-current generator comprises the variable-frequency direct-current generator controller, the problem that the whole generator is burnt due to burning of electronic components of the controller can be avoided, and the variable-frequency direct-current generator is high in reliability and good in safety.
Description
Technical Field
The utility model relates to the technical field of electric machines, more specifically say, relate to a frequency conversion DC generator controller. Furthermore, the utility model discloses still relate to a frequency conversion DC generator including above-mentioned frequency conversion DC generator controller.
Background
As a standby power supply of automobiles, trucks and the like, the variable-frequency direct-current generator is mainly used for supplying power to electric equipment and charging a storage battery.
However, since the environment temperature of the inverter dc generator is relatively high, for example, the environment temperature under the sun outdoors in summer is as high as 50-60 ℃, and the operating current of the inverter dc generator is very large, for example, the voltage is 24V, the current of the inverter dc generator is nearly 80A, which causes serious heat generation of the controller, and easily burns out electronic components of the controller. The fuel of the variable frequency direct current generator is usually gasoline, which belongs to dangerous chemicals and is easy to burn and explode when exposed fire or high heat is encountered, so that the whole generator is easy to burn due to the burning of electronic components of the controller, and even the phenomenon of burning is caused.
In summary, a problem to be solved by those skilled in the art is how to provide a controller for a variable frequency dc generator that can avoid the burning of the entire generator due to the burning of electronic components of the controller.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a controller for a variable frequency dc generator, which prevents the whole generator from being burnt out due to the burning out of electronic components of the controller.
Another object of the utility model is to provide a frequency conversion dc generator including above-mentioned frequency conversion dc generator controller can avoid burning out because of the electronic components of its controller leads to whole machine to burn out, and the reliability is high.
In order to achieve the above object, the present invention provides the following technical solutions:
a variable frequency dc generator controller comprising:
the controller body is provided with an electronic component on the front surface;
and the protective cover is used for covering the electronic component so as to isolate the electronic component from the outside, and is fixedly connected with the controller body.
Preferably, the shield is a metal shield.
Preferably, the protective cover is detachably connected with the controller body.
Preferably, the protective cover is detachably connected with the controller body through a screw.
Preferably, the protection casing is one end open-ended box body, four angles of box body be equipped with respectively be used for with the fixed plate of the front laminating of controller body, the fixed plate is equipped with the screw mounting hole, the controller body with the position that the screw mounting hole corresponds be equipped with be used for with screw threaded connection's screw hole.
Preferably, four corners of the box body are respectively provided with an inwards concave arc-shaped groove surface for yielding the screw.
Preferably, the joint of the protective cover and the controller body is provided with at least one abdicating groove for leading-out wires to pass through.
Preferably, the side wall of the controller body is provided with two protrusions protruding from the front surface, and a first groove is formed between the two protrusions; the protection casing is equipped with the ladder groove, the ladder groove includes:
the second groove is used for being clamped with the two convex parts;
and the third groove is communicated with the groove bottom of the second groove, and the third groove and the first groove are aligned to form the abdicating groove.
Preferably, the back of the controller body is provided with heat dissipation ribs, and the height range of the heat dissipation ribs is 15-20 mm; and/or the thickness range of the heat dissipation ribs is 1-3 mm.
A variable frequency direct current generator comprises a controller, wherein the controller is any one of the variable frequency direct current generator controllers.
Compared with the prior art, the frequency conversion DC generator controller provided by the utility model has the advantages that the protective cover is additionally arranged at the electronic component end of the controller body, the electronic components are isolated by the protective cover, and the exposure of the electronic components is avoided, so that when the electronic components are burnt out, the burning out of the whole generator caused by the spark of the electronic components and the like can be avoided; meanwhile, the gasoline can be prevented from dripping on the surface of the electronic component to erode the electronic component when oil leaks from an oil tank, an oil pipe and the like.
The utility model provides a frequency conversion DC generator, including above-mentioned frequency conversion DC generator controller, have above-mentioned beneficial effect, the reliability is high, and the security is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an exploded view of a variable frequency dc generator controller according to an embodiment of the present invention;
fig. 2 is a schematic view of the assembled structure of fig. 1.
The reference numerals in fig. 1 and 2 are as follows:
the controller comprises a controller body 1, an electronic component 11, a boss 12, a heat dissipation rib 13, a partition plate 14, a protective cover 2, a fixing plate 21, an arc groove surface 22, a stepped groove 23, a screw 3 and a abdicating groove 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The core of the utility model is to provide a frequency conversion DC generator controller, prevent to burn out because of the electronic components of controller burn out and lead to whole platform generator to burn out. The utility model discloses an another core provides a frequency conversion DC generator including above-mentioned frequency conversion DC generator controller, can avoid burning out because of the electronic components of its controller leads to whole machine to burn out, and the reliability is high.
Referring to fig. 1-2, fig. 1 is an exploded view of a variable frequency dc generator controller according to an embodiment of the present invention; fig. 2 is a schematic view of the assembled structure of fig. 1.
The utility model provides a frequency conversion DC generator controller, which mainly comprises a controller body 1 and a protective cover 2, wherein the front side of the controller body 1 is provided with an electronic component 11, and the protective cover 2 covers the peripheral part of the electronic component 11 to cover the electronic component 11, so as to isolate the electronic component 11 from the outside and avoid the exposure of the electronic component; the protective cover 2 is fixedly connected with the controller body 1.
Therefore, compared with the prior art, the variable frequency direct current generator controller provided by the utility model has the advantages that the protective cover 2 is additionally arranged at the end 11 of the electronic component of the controller body 1, and the electronic component 11 is isolated by utilizing the protective cover 2, so that when the electronic component 11 is burnt out, the burning out of the whole generator caused by the spark of the electronic component 11 can be avoided; meanwhile, it is possible to prevent gasoline from dripping on the surface of the electronic component 11 to corrode the electronic component 11 when oil leaks from an oil tank, an oil pipe, or the like.
It should be noted that the present invention is not limited to the specific material of the protection cover 2, as long as it can resist fire, and as a preferred embodiment, on the basis of the above embodiment, the protection cover 2 is a metal protection cover.
For example, the shield 2 may be an iron shield or an aluminum shield, or the like.
Additionally, the utility model discloses do not restrict the concrete connection mode between protection casing 2 and the controller body 1, consider the convenience that the later stage was maintained electronic components 11, on the basis of above-mentioned embodiment, protection casing 2 can be dismantled with controller body 1 and be connected.
It should be noted that, in this embodiment, the specific detachable connection structure between the protection cover 2 and the controller body 1 is not limited, as long as the connection between the protection cover and the controller body is achieved, and the protection cover and the controller body can be detached and separated when needed.
In view of the simplicity of the detachable connection structure, it is preferable that the shield 2 is detachably connected to the controller body 1 by screws 3 on the basis of the above-described embodiment.
That is, when the screw 3 is tightened, the protection cover 2 and the controller body 1 can be fixed; when the screw 3 is loosened, the protection cover 2 can be separated from the controller body 1.
In consideration of the stability of the connection between the protection cover 2 and the controller body 1, based on the above embodiment, the protection cover 2 is a box body with an open end, four corners of the box body are respectively provided with a fixing plate 21 for being attached to the front surface of the controller body 1, the fixing plate 21 is provided with a screw mounting hole, and a threaded hole for being in threaded connection with the screw 3 is formed in a position of the controller body 1 corresponding to the screw mounting hole.
It can be understood that the open end of the box body faces the front surface of the controller body 1 to cover the front surface of the controller body 1, and the electronic component 11 is covered by the box body, so that the electronic component 11 is located in the internal space of the box body.
In this embodiment, four angles of box body are respectively through four screws 3 and 1 fixed connection of controller body to promote the steadiness and the reliability that protection casing 2 and controller body 1 are connected.
In order to avoid interference between the corners of the box body and the screws 3, on the basis of the above embodiment, the four corners of the box body are respectively provided with the concave arc-shaped groove surfaces 22 for yielding the screws 3.
That is, the present embodiment provides sufficient installation space for the screw 3 by the concave arc-shaped groove surface 22, so that the screw 3 can be smoothly connected with the fixing plate 21 and the controller body 1.
Preferably, the fixing plate 21 and the box body are integrally formed, that is, a single piece is formed into the protective cover 2 in the present embodiment by molding.
In addition, it can be understood that, in order to facilitate the outgoing lines of the electronic component 11 to be smoothly led out, on the basis of the above-described embodiment, at least one relief groove 4 for passing the outgoing lines is provided at the connection portion of the protection cover 2 and the controller body 1.
That is, after assembly, the lead wires of the electronic component 11 are passed out of the relief grooves 4 to realize connection with an external device.
The specific number of the abdicating slots 4 is not limited in this embodiment, and can be set by those skilled in the art according to actual needs.
Further, in consideration of the specific forming manner of the relief groove 4, on the basis of the above embodiment, the sidewall of the controller body 1 is provided with two convex portions 12 protruding from the front surface, and a first groove is formed between the two convex portions 12; the protection casing 2 is equipped with the ladder groove 23, and the ladder groove 23 includes second recess and third recess, and the second recess is used for two bellying 12 joints with controller body 1, and the tank bottom intercommunication of third recess and second recess, third recess and first recess are aimed at the setting to form the groove 4 of stepping down.
It should be noted that, two protruding portions 12 are a pair, and the two protruding portions are used in cooperation and correspondingly connected to the second groove, so that the first groove and the third groove between the two protruding portions 12 form the abdicating groove 4.
It can be understood that a plurality of such abdicating grooves 4 can be arranged at the joint of the protection cover 2 and the controller body 1, that is, the controller body 1 is provided with a plurality of pairs of the protruding parts 12, the protection cover 2 is provided with a plurality of stepped grooves 23, and the protruding parts 12 are arranged in one-to-one correspondence with the stepped grooves 23.
Further, in order to improve the heat dissipation effect of the controller body 1, on the basis of the above embodiment, the back surface of the controller body 1 is provided with the heat dissipation ribs 13.
Preferably, the height of the heat dissipation ribs 13 ranges from 15mm to 20mm, for example, the height of the heat dissipation ribs 13 is 15 mm.
Further preferably, the thickness of the heat dissipation ribs 13 ranges from 1 mm to 3mm, for example, the thickness of the heat dissipation ribs 13 is 2 mm.
It should be noted that, in each of the above embodiments, the present invention does not limit the specific structure of the controller body 1, and refer to the prior art, which is not described herein again.
Preferably, the controller body 1 includes a rectifier module mounting portion and a to-be-packaged component mounting portion, the rectifier module mounting portion is used for mounting a rectifier module, the to-be-packaged component mounting portion is used for mounting all electronic components except the rectifier module, for example, a single chip microcomputer, a driving module, a control module and the like, and the electronic components except the rectifier module need epoxy packaging.
Preferably, a partition plate 14 is arranged between the rectifier module mounting part and the to-be-packaged component mounting part and used for separating the rectifier module and each electronic component to be packaged, so that the layout is reasonable, and the structure is simple.
Except above-mentioned frequency conversion DC generator controller, the utility model discloses still provide a frequency conversion DC generator including the frequency conversion DC generator controller that the above-mentioned embodiment was disclosed, this frequency conversion DC generator's other each partial structure please refer to prior art, and this text is no longer repeated.
The important point of this embodiment is that, by using the variable frequency dc generator controller disclosed in any one of the above embodiments, the electronic component 11 of the variable frequency dc generator controller is prevented from being burned out, so that the reliability and safety of the variable frequency dc generator are improved.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a frequency conversion DC generator controller has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A variable frequency dc generator controller, comprising:
the controller comprises a controller body (1), wherein an electronic component (11) is arranged on the front surface of the controller body;
the protective cover (2) is used for covering the electronic component (11) to enable the electronic component to be isolated from the outside, and the protective cover (2) is fixedly connected with the controller body (1).
2. A variable frequency direct current generator controller according to claim 1, characterized in that the protective cover (2) is a metallic protective cover.
3. The variable frequency direct current generator controller according to claim 1, characterized in that the protective cover (2) is detachably connected with the controller body (1).
4. A variable frequency direct current generator controller according to claim 3, characterized in that the protective cover (2) is detachably connected with the controller body (1) by means of screws (3).
5. The controller of the variable-frequency direct-current generator according to claim 4, wherein the protective cover (2) is a box body with an opening at one end, four corners of the box body are respectively provided with a fixing plate (21) for being attached to the front surface of the controller body (1), the fixing plate (21) is provided with a screw mounting hole, and a threaded hole for being in threaded connection with the screw (3) is formed in a position of the controller body (1) corresponding to the screw mounting hole.
6. The variable frequency direct current generator controller according to claim 5, wherein four corners of the box body are respectively provided with an inwardly concave arc-shaped groove surface (22) for yielding the screw (3).
7. The variable-frequency direct-current generator controller according to any one of claims 1 to 6, characterized in that the joint of the protective cover (2) and the controller body (1) is provided with at least one abdicating groove (4) for leading-out wires to pass through.
8. The variable-frequency direct-current generator controller according to claim 7, characterized in that the side wall of the controller body (1) is provided with two protrusions (12) protruding from the front surface, and a first groove is formed between the two protrusions (12); protection casing (2) are equipped with ladder groove (23), ladder groove (23) include:
a second groove used for clamping the two bulges (12);
and a third groove communicated with the groove bottom of the second groove, wherein the third groove and the first groove are aligned to form the abdicating groove (4).
9. The controller of the variable-frequency direct-current generator according to any one of claims 1 to 6, wherein a heat dissipation rib (13) is arranged on the back surface of the controller body (1), and the height range of the heat dissipation rib (13) is 15-20 mm; and/or the thickness range of the heat dissipation ribs (13) is 1-3 mm.
10. A variable frequency dc generator comprising a controller, wherein the controller is a variable frequency dc generator controller according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832947.6U CN212785083U (en) | 2020-08-27 | 2020-08-27 | Variable frequency direct current generator and controller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021832947.6U CN212785083U (en) | 2020-08-27 | 2020-08-27 | Variable frequency direct current generator and controller thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212785083U true CN212785083U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021832947.6U Active CN212785083U (en) | 2020-08-27 | 2020-08-27 | Variable frequency direct current generator and controller thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212785083U (en) |
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2020
- 2020-08-27 CN CN202021832947.6U patent/CN212785083U/en active Active
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